In the series premiere, 100 young exiles from a dying space station are sent to the planet Earth 97 years after a nuclear apocalypse to see if it's habitable.

The 100

Pilot

After discovering that Jasper may still be alive, Clarke, Bellamy, Octavia, Finn and Monty set out to locate him and are shocked at what they find.

Earth Skills

Clarke, Finn and Wells set out in search of an antibiotic to treat Jasper's wounds, when an acid fog forces them to seek shelter...and forgiveness for past crimes.

Earth Kills

Abby risks having herself floated in order to give Raven (recurring guest star LINDSEY MORGAN) the chance to stow-away in the escape pod bound for Earth.

Murphy's Law

After exposing Kane's plan to reduce the population of the Ark, Abby and  Chancellor Jaha notice a signal from Earth and realize at least some of the 100 must still be alive.

Twilight's Last Gleaming

While Bellamy leads his crew into Grounder territory in a search for Olivia, Raven can't help but notice the deep connection between Finn and Clarke.

His Sister's Keeper

While Clarke and Raven make contact with the Ark, Abby is removed from the council and Jaha reveals that there are not enough drop ships for everyone on the Ark.

Contents Under Pressure

While some of the 100 accidentally eat hallucinogenic nuts, Clarke and Bellamy go on a mission to find supplies for winter and are brought closer by a terrifying event.

Day Trip

All hell breaks loose when Clarke and Finn attempt to broker peace with the Grounders.  And tragedy strikes during the Unity Day celebration on the Ark.

Unity Day

Murphy returns to camp claiming to have been held captive and tortured by the Grounders, and Clarke and Bellamy have very different opinions on how to handle his return.

I Am Become Death

With a low food supply at camp, Clarke and Finn lead a group out to hunt for food and wind up with Finn's life in danger. Meanwhile, Raven makes Bellamy an offer he can't refuse.

The Calm

Should they stay or should they go:  Those remaining on the Ark must come to terms with the inevitable.  Meanwhile, Clarke and Finn find themselves facing a new enemy.

We Are Grounders - Part I

It's the end of the world as we know it in the first season finale as the conflict on the ground comes to a head and the situation on the Ark comes to a stunning conclusion.

We Are Grounders - Part II

Pluto

While Gabriel (guest star CHUKU MODU) must make a difficult choice, Russell seeks justice. Bellamy reunites with his sister Octavia.

Matryoshka

In the sixth season premiere, a small group goes down to explore the mysterious new planet, while members of Wonkru on the Mothership face the consequences of their decisions.

Sanctum

The team on the ground fights to survive the threat they face on the new planet.  Meanwhile Raven must join forces with an unlikely ally to save everyone on board the Mothership.

Red Sun Rising

Clarke tries to win over the leaders of Sanctum to let her people stay. Meanwhile, Bellamy, Echo & Octavia discover a new threat while on a mission to retrieve the transport ship.

The Children of Gabriel

Clarke embraces the traditions of Sanctum and tries to make amends for her past actions.

The Face Behind the Glass

While Jordan (SHANNON KOOK) investigates Sanctum, and Bellamy and Clarke butt heads, Octavia and Diyoza (IVANA MILICEVIC) discover the threats of the new planet firsthand.

The Gospel of Josephine

Diyoza learns more about the mysterious Children of Gabriel, while Abby (series star PAIGE TURCO) continues searching for a way to save Kane (series star HENRY IAN CUSICK).

Memento Mori

Clarke fights for her life when her past catches up to her.

Nevermind

Octavia and Diyoza make their way to the mysterious anomaly in search of the Old Man. Meanwhile, Murphy has an offer for Emori (recurring guest star LUISA D'OLIVEIRA).

The Old Man and the Anomaly

While Octavia is forced to confront her past, Bellamy ventures into enemy territory with an unlikely companion.

What You Take With You

Bellamy and Octavia must work together to save their friends, while Echo is forced to face her past. Series star Bob Morley directs.

Ashes to Ashes

A special Naming Day changes everything in Sanctum.  Meanwhile, Gabriel (guest star CHUKU MODU) comes face to face with an old friend.

Adjustment Protocol

In the sixth season finale, Sanctum becomes a battleground between the devout and the non-believers, while the mystery of the Anomaly deepens.

The Blood of Sanctum

After an exile in space, human survivors return to a wildly transformed Earth…only to discover that the human race never truly left. Staking out their place in this world, they face the peril and dilemmas that come with rebuilding society.

Matryoshka

Full Episodes

Season 6, 13 episodes